feat: add version command

[jimyag]

No description provided.

[netlify]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 37.74%. Comparing base (405f67d) to head (06b66bb).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #162   +/-   ##
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  Coverage   37.74%   37.74%           
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  Files          10       10           
  Lines         853      853           
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  Hits          322      322           
  Misses        502      502           
  Partials       29       29           

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[CarlJi]

reviewbot 当前主要是以服务端形式部署，但从推广的角度，以后应该会引入CLI模式。 相关issue: #59

到时，flag这块应该会着重设计。

[jimyag]

reviewbot 当前主要是以服务端形式部署，但从推广的角度，以后应该会引入CLI模式。 相关issue: #59

到时，flag这块应该会着重设计。

之后可以考虑使用 https://github.com/spf13/cobra 重构。
可以是
reviewbot server 启动服务
revieebot deploy 部署到 xxx
可以参考 hugo 的命令

hugo is the main command, used to build your Hugo site.

Hugo is a Fast and Flexible Static Site Generator
built with love by spf13 and friends in Go.

Complete documentation is available at https://gohugo.io/.

Usage:
  hugo [flags]
  hugo [command]

Available Commands:
  completion  Generate the autocompletion script for the specified shell
  config      Print the site configuration
  convert     Convert your content to different formats
  deploy      Deploy your site to a Cloud provider.
  env         Print Hugo version and environment info
  gen         A collection of several useful generators.
  help        Help about any command
  import      Import your site from others.
  list        Listing out various types of content
  mod         Various Hugo Modules helpers.
  new         Create new content for your site
  server      A high performance webserver
  version     Print Hugo version and environment info

[qiniu-x]

[Git-flow] Hi @jimyag, There are some suggestions for your information:

---

Rebase suggestions

• Following commits seems generated via git merge

  Merge branch 'master' into feat-version-cmd

Which seems insignificant, recommend to use git rebase command to reorganize your PR.

For other git-flow instructions, recommend refer to these examples.

If you have any questions about this comment, feel free to raise an issue here:

• https://github.com/qiniu/reviewbot